20001133103 has 4 divisors (see below), whose sum is σ = 22858437840. Its totient is φ = 17143828368.

The previous prime is 20001133093. The next prime is 20001133111. The reversal of 20001133103 is 30133110002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20001133103 - 2⁸ = 20001132847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001133903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428652358 + ... + 1428652371.

It is an arithmetic number, because the mean of its divisors is an integer number (5714609460).

Almost surely, 2^20001133103 is an apocalyptic number.

20001133103 is a deficient number, since it is larger than the sum of its proper divisors (2857304737).

20001133103 is an equidigital number, since it uses as much as digits as its factorization.

20001133103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857304736.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 20001133103 its reverse (30133110002), we get a palindrome (50134243105).

The spelling of 20001133103 in words is "twenty billion, one million, one hundred thirty-three thousand, one hundred three".